Hook



FIG. 1 is a perspective view of the hook from the front, left side and bottom;

FIG. 2 is a perspective view of the hook from the rear, right side and bottom;

FIG. 3 is a front view of the hook;

FIG. 4 is a left-side view of the hook, the right-side view being a mirror image; and,

FIG. 5 is a front view of the hook shown in its intended environment of use with the broken line shovel forming no part of the claim. 

CLAIM The ornamental design for a hook, as shown and described. 